M10 Diamond Finger Bit Grinding Wheel – Quartz & Marble

M10 Diamond Brazed Finger Bit Grinding Wheel – Quartz, Marble & Stone Milling Cutter

Take your stone-finishing work to the next level with this professional-grade M10 Diamond Brazed Finger Bit Grinding Wheel. Engineered for precision trimming, dressing, and shaping of quartz stone countertops, marble, and other hard stone surfaces, this round-head milling cutter delivers exceptional cutting performance and lasting durability.

Key Features

• Premium Diamond + High Manganese Steel Matrix: The brazed diamond abrasive surface bonds with a high-strength manganese steel body for aggressive yet controlled material removal.
• M10 Thread (10mm): Universal M10 thread fits standard 100-type angle grinders — no adapters needed for most common tools.
• Round Head / Finger Bit Design: The rounded profile allows for precise edge profiling, trimming, and dressing of countertops, sink cutouts, and curved stone details.
• Backwater (Wet Use) Capable: Designed to be used with water cooling for smoother cuts and extended bit life.
• Wide Application: Ideal for quartz stone, marble, granite, engineered stone, and similar hard materials in countertop fabrication, renovation, or DIY stonework.
• Size: 20mm head diameter with M10 thread.
• Package Includes: 1 × Diamond Finger Bit Grinding Wheel

Specifications

Who Is This For?

This diamond finger bit is perfect for stone fabricators, countertop installers, renovation contractors, and serious DIY enthusiasts who need reliable, consistent results when shaping or dressing hard stone surfaces. Whether you're profiling a quartz countertop edge or cleaning up a marble cutout, this bit gives you the control and cutting power to get the job done right.

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Frequently Asked Questions

Q: What angle grinder is this M10 diamond finger bit compatible with?

A: This diamond finger bit grinding wheel features a standard M10 (10mm) thread and is designed to fit 100-type angle grinders. Most common 4-inch angle grinders use an M10 spindle thread, making this bit widely compatible with popular brands and models.

Q: Can this diamond grinding wheel be used dry, or does it require water?

A: This bit is a backwater (wet use) design and is best used with water cooling. Running it with water helps maintain cutting efficiency, reduces heat buildup, and extends the working life of the diamond abrasive surface. While brief dry use may be possible, consistent wet use is strongly recommended for optimal performance and longevity.

Q: What materials can this finger bit grind or trim?

A: This diamond finger bit is ideal for quartz stone countertops, marble, granite, and other engineered or natural hard stone surfaces. It is particularly well-suited for edge trimming, profile dressing, and shaping tasks in countertop fabrication and stone renovation work.

Q: How many pieces are included in the package?

A: Each package includes 1 piece of the M10 Diamond Brazed Finger Bit Grinding Wheel.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.